Why DART is a mover and shaker in asteroid planetary defense: NASA science chief

NASA will slam the DART spacecraft into an asteroid for target practice to get ready for the next big hit, but don't worry: nothing big is set to come at us for the next 100 years.

Why DART is a mover and shaker in asteroid planetary defense: NASA science chief
NASA will slam the DART spacecraft into an asteroid for target practice to get ready for the next big hit, but don't worry: nothing big is set to come at us for the next 100 years.